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CISCO router introduction for Labs WAN/ OSPF-RIP

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Command Line Interface

Use the following commands to move the cursor around on the command line to make corrections or changes:

Press Ctrl-B : Move the cursor back one character.

Press Ctrl-F : Move the cursor forward one character.

Press Ctrl-A : Move the cursor to the beginning of the command line.

Press Ctrl-E : Move the cursor to the end of the command line.

Press Esc B : Move the cursor back one word.

Press Esc F : Move the cursor forward one word.

Completing a Partial Command Name

Router# conf<Tab>

Router# configure

Recalling Commands

Ctrl-P or the up arrow key --- Recall commands.

Ctrl-N or the down arrow key --- Return to more recent commands

Routing Protocols

Interior Gateway Protocols

Interior protocols are used for routing networks that are under a common network administration. Cisco IOS software supports the following interior routing protocols:

Routing Information Protocol (RIP)

Internet Gateway Routing Protocol (IGRP)

OSPF

IP Enhanced IGRP

Integrated IS-IS

Routing Protocols

Exterior Gateway Protocols

Exterior protocols are used to exchange routing information between networks that do not share a common administration. IP Exterior Gateway Protocols require the following three sets of information before routing can begin:

A list of neighbor (or peer) routers with which to exchange routing information

Multicast BGP (MBGP) adds capabilities to BGP to enable multicast routing policy throughout the Internet and to connect multicast topologies within and between BGP autonomous systems. That is, MBGP is an enhanced BGP that carries IP multicast routes. BGP carries two sets of routes, one set for unicast routing and one set for multicast routing.

IP Addressing

Class A

1.0.0.0 to 126.0.0.0

Class B

128.0.0.0 to 191.254.0.0

Class C

192.0.1.0 to 223.255.254

Class D

224.0.0.0 to 239.255.255.255

Multicast group addresses

Class E

240.0.0.0 to 255.255.255.254

Assigning IP Addresses to Network Interfaces

ip address ip-address mask< ------ Set a primary IP address for an interface